Results 161 to 170 of about 572 (217)

Research on Optimal Width of Coal Pillars in Both Sides of Abandoned Mining Areas and Tunnel Control Technology

Energy Science &Engineering, Volume 14, Issue 8, Page 3625-3637, August 2026.
This study primarily investigates the optimal width for coal pillar retention in both sides of the worked‐out face section. Taking the 42201 haulage roadway of the 42201 working face at Shengxin Coal Mine as the primary research target, it analyses the optimum width for coal pillar retention through theoretical calculations, numerical simulations, and ...
Shuaifeng Yin, Kanglei Han, En Wang, Yitao Yan, Xubo Zhao   +4 more
wiley   +1 more source

Stability Evaluation and Parametric Optimization of Coal‐Concrete Composite Bearing Systems Under Mine‐Water‐Induced Deterioration: Experiments and FEINN Analysis

Energy Science &Engineering, Volume 14, Issue 8, Page 3697-3725, August 2026.
Mine‐water immersion tests reveal pronounced coal weakening (vs. minor concrete degradation), identifying coal pillars as the stability‐limiting component in composite dams. A coupled FEINN framework quantifies extreme‐pressure stability and ranks multi‐parameter designs via a normalized multi‐indicator scheme, enabling optimized dam configuration for ...
He Wen, Hongchuan Dai, Guixin Zhang, Pengzhe Li, Tong Yang, Cang Gong, Renbo Gao   +6 more
wiley   +1 more source

Assessments of Liquefaction Triggering and Manifestation at Three Case History Sites in Napier Based on 1931 Hawke's Bay, New Zealand, Earthquake

Earthquake Spectra, Volume 42, Issue 3, August 2026.
The 1931 Hawke's Bay earthquake (∼MS 7.8) stands as one of New Zealand's most devastating, causing widespread liquefaction and damage across the city of Napier. However, Napier remains underrepresented in liquefaction hazard studies as compared to other regions in the country.
Aavash Ghimire, Kaleigh M. Yost, Andrew Stolte, Rolando Orense   +3 more
wiley   +1 more source

Polymaterial Lattice Discrete Particle Model for the Optimization of Lightweight Aggregate Concrete: Intragranular Fracture and Compression Behavior

International Journal for Numerical and Analytical Methods in Geomechanics, Volume 50, Issue 12, Page 4764-4779, 25 August 2026.
ABSTRACT Lightweight aggregate concrete (LWAC) offers clear advantages for sustainable construction, including reduced density and improved thermal insulation. However, its mechanical and fracture behavior is difficult to characterize due to the heterogeneity and brittle crushing of porous lightweight aggregates.
Yuhui Lyu, Fan Zheng, Matthew Troemner, Erol Lale, Ke Yu, Dono Toussaint, Hailong Ye, Gianluca Cusatis   +7 more
wiley   +1 more source

Modeling Biocemented Sands: Hypoplastic Model for MICP‐Based Ground Improvement

International Journal for Numerical and Analytical Methods in Geomechanics, Volume 50, Issue 12, Page 4893-4912, 25 August 2026.
ABSTRACT Bio‐cementation offers a sustainable and low‐carbon alternative to conventional ground improvement methods, aligning with the growing demand for green geotechnical solutions. To enable reliable numerical simulation of bio‐cemented soil behavior in engineering applications, advanced constitutive models are required to account for the effects of
Merita Tafili, Hossam Abdellatif, Nazanin Irani, Torsten Wichtmann   +3 more
wiley   +1 more source

Dietary Protein Reduction During Isocaloric Conditions Reduces Body Weight in Men With Overweight or Obesity

Obesity, Volume 34, Issue 8, Page 1569-1582, August 2026.
Protein restriction, while meeting minimum requirements, induced weight loss and increased FGF21 in men with obesity under isocaloric conditions, without caloric restriction. ABSTRACT Objective Dietary protein reduction increases plasma fibroblast growth factor 21 (FGF21) and energy requirements in lean men under eucaloric conditions.
Aslak E. Lyster, Amalie S. Frederiksen, Jacob K. Jensen, Annemarie Lundsgaard, Nicoline R. Andersen, Kasper S. Jørgensen, Daniela Weber, Lukas Nachtigall, Erik A. Richter, Andreas M. Fritzen, Bente Kiens   +10 more
wiley   +1 more source

Variable Selection for Fixed and Random Effects in Multilevel Functional Mixed Effects Models

Statistics in Medicine, Volume 45, Issue 18-19, August 2026.
ABSTRACT We develop a new method for simultaneously selecting fixed and random effects in a multilevel functional regression model. The proposed method is motivated by accelerometer‐derived physical activity data from the 2011 to 2012 cohort of the National Health and Nutrition Examination Survey (NHANES), with the aim of identifying age and race ...
Rahul Ghosal, Marcos Matabuena, Enakshi Saha   +2 more
wiley   +1 more source

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Triaxiality in 166Er

Nuclear Physics A, 1992
Abstract The nucleus 166 Er has been Coulomb excited using beams of 16 O, 32 S and 58 Ni. An almost complete set of reduced E2 matrix elements for the ground- and γ-bands up to spin 14 + and 12 + , respectively, has been measured. A total of 44 E2 matrix elements have been determined in a model-independent way, including the static quadrupole ...
Fahlander, C., Thorslund, I., Varnestig, B., Baecklin, A., Svensson, L.E., Disdier, D., Kraus, L., Linck, I., Schulz, N., Pedersen, J., Cline, D.   +10 more
openaire   +2 more sources

Triaxial bulges in the NIR

Astrophysics and Space Science, 1999
We studied a sample of 14 non-interacting spiral galaxies with the aim of searching triaxial bulges. From the existence of triaxiality we are able to put a lower and upper limits on the central black hole to bulge mass ratio, M BH /M bul ,in the host galaxy.
Emanuela Pompei, Isabel Pérez
openaire   +1 more source

A triaxial supramolecular weave

Nature Chemistry, 2017
Despite recent advances in the synthesis of increasingly complex topologies at the molecular level, nano- and microscopic weaves have remained difficult to achieve. Only a few diaxial molecular weaves exist-these were achieved by templation with metals.
Urszula Lewandowska, Wojciech Zajaczkowski, Stefano Corra, Junki Tanabe, Ruediger Borrmann, Edmondo M. Benetti, Sebastian Stappert, Kohei Watanabe, Nellie A. K. Ochs, Robin Schaeublin, Chen Li, Eiji Yashima, Wojciech Pisula, Klaus Müllen, Helma Wennemers   +14 more
openaire   +5 more sources